// Copyright 2021 Matrix Origin
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package rewrite

import "github.com/matrixorigin/matrixone/pkg/sql/tree"

func rewriteInsert(stmt *tree.Insert) *tree.Insert {
	jtbl, ok := stmt.Table.(*tree.JoinTableExpr)
	if !ok {
		return stmt
	}
	atbl, ok := jtbl.Left.(*tree.AliasedTableExpr)
	if !ok {
		return stmt
	}
	tbl, ok := atbl.Expr.(*tree.TableName)
	if !ok {
		return stmt
	}
	stmt.Table = tbl
	return stmt
}
